<?php
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

trait EmptyTrait {}

trait TestTrait {
    /**
     * @return static
     */
    public static function returnStaticPhpDocMethod()
    {
        return new static();
    }

    public static function returnStaticReturnTypeMethod(): static
    {
        return new static();
    }

    public static function testStaticTraitMethod() {
        self::returnStaticMethod->traitMethod();
    }

    public function traitMethod(): void {
    }
}

abstract class AbstractClass {
    use TestTrait;
}

class TestClass extends AbstractClass {
    use EmptyTrait;

    public int $field = 1;

    public function testClassMethod(): void {}
    public static function testStaticClassMethod(): void {}
}

TestClass::returnStaticPhpDocMethod()->testClassMethod();
TestClass::returnStaticReturnTypeMethod()->testClassMethod();
